We have developed several prototype systems in order to demonstrate the efficacy and practicality of our new drivetrain technology. In 2009, we installed a 20 kW wind turbine incorporating our drivetrain design and developed a complete control and monitoring system for the turbine. In 2011, a 250 kW Brushless DFIG and its accompanying converter and control systems were built and tested. Most recently, a 2 MW Brushless DFIG was built and successfully tested. Our engineering team is currently retrofitting a multi-MW Brushless DFIG drivetrain onto a wind turbine, to be followed by site testing.